GB1574914A - Satellite communications transmission systems - Google Patents
Satellite communications transmission systems Download PDFInfo
- Publication number
- GB1574914A GB1574914A GB21989/77A GB2198977A GB1574914A GB 1574914 A GB1574914 A GB 1574914A GB 21989/77 A GB21989/77 A GB 21989/77A GB 2198977 A GB2198977 A GB 2198977A GB 1574914 A GB1574914 A GB 1574914A
- Authority
- GB
- United Kingdom
- Prior art keywords
- antenna
- plane
- satellite
- ground station
- reflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 title claims description 8
- 238000010586 diagram Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 9
- 230000010363 phase shift Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2632615A DE2632615C3 (de) | 1976-07-20 | 1976-07-20 | Satelliten-Nachrichtenübertragungssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1574914A true GB1574914A (en) | 1980-09-10 |
Family
ID=5983488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21989/77A Expired GB1574914A (en) | 1976-07-20 | 1977-05-25 | Satellite communications transmission systems |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4172257A (enExample) |
| JP (1) | JPS5313859A (enExample) |
| BE (1) | BE857000A (enExample) |
| CA (1) | CA1093207A (enExample) |
| DE (1) | DE2632615C3 (enExample) |
| DK (1) | DK328177A (enExample) |
| FR (1) | FR2359547A1 (enExample) |
| GB (1) | GB1574914A (enExample) |
| IE (1) | IE45314B1 (enExample) |
| IN (1) | IN149656B (enExample) |
| IT (1) | IT1080637B (enExample) |
| LU (1) | LU77789A1 (enExample) |
| NL (1) | NL7708106A (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3011187C2 (de) * | 1980-03-22 | 1984-08-02 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Satellitenantenne für die Kommunikation zwischen zwei Bodenstationen über einen Synchronsatelliten |
| USRE32905F1 (en) * | 1980-10-20 | 1992-11-10 | Satellite communications system and apparatus | |
| US4455651A (en) * | 1980-10-20 | 1984-06-19 | Equatorial Communications Company | Satellite communications system and apparatus |
| EP0152221A3 (en) * | 1984-02-09 | 1986-11-05 | THE GENERAL ELECTRIC COMPANY, p.l.c. | An earth terminal for satellite communication systems |
| US4833484A (en) * | 1984-02-09 | 1989-05-23 | The General Electric Company, P.L.C. | Earth terminal for satellite communication |
| GB8430306D0 (en) * | 1984-11-30 | 1985-01-09 | British Telecomm | Transportable antenna |
| US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
| DE3939318A1 (de) * | 1989-11-28 | 1991-05-29 | Siemens Ag | Satellitenfunk-bodenstationsantenne |
| US5835057A (en) * | 1996-01-26 | 1998-11-10 | Kvh Industries, Inc. | Mobile satellite communication system including a dual-frequency, low-profile, self-steering antenna assembly |
| KR20030000539A (ko) * | 2001-06-26 | 2003-01-06 | 이엠씨테크(주) | 무조정 가능한 인공위성용 안테나 |
| ITAQ20060010U1 (it) | 2006-10-30 | 2007-01-29 | Elitalelettronica Italiana S R L | Stazione terrestre satellitare ricetrasmittente, particolarmente idonea per postazioni trasportabili |
| US20080211730A1 (en) * | 2007-01-26 | 2008-09-04 | Woosnam Calvin H | Gimbaled Mount System for Satellites |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464276A (en) * | 1943-08-03 | 1949-03-15 | Sperry Corp | Radiant energy directivity pattern scanner |
| US2703842A (en) * | 1950-03-08 | 1955-03-08 | Willard D Lewis | Radar reflector |
| FR1231221A (fr) * | 1959-04-10 | 1960-09-27 | Csf | Antennes superdirectives |
| US3267472A (en) * | 1960-07-20 | 1966-08-16 | Litton Systems Inc | Variable aperture antenna system |
| US3340531A (en) * | 1964-10-05 | 1967-09-05 | Martin Marietta Corp | Satellite communication system |
| US3852763A (en) * | 1970-06-08 | 1974-12-03 | Communications Satellite Corp | Torus-type antenna having a conical scan capability |
| US3881178A (en) * | 1973-04-03 | 1975-04-29 | Hazeltine Corp | Antenna system for radiating multiple planar beams |
| JPS5248752B2 (enExample) * | 1973-07-18 | 1977-12-12 |
-
1976
- 1976-07-20 DE DE2632615A patent/DE2632615C3/de not_active Expired
-
1977
- 1977-05-25 GB GB21989/77A patent/GB1574914A/en not_active Expired
- 1977-07-13 IT IT25673/77A patent/IT1080637B/it active
- 1977-07-14 US US05/815,830 patent/US4172257A/en not_active Expired - Lifetime
- 1977-07-18 FR FR7721887A patent/FR2359547A1/fr active Granted
- 1977-07-18 LU LU77789A patent/LU77789A1/xx unknown
- 1977-07-19 DK DK328177A patent/DK328177A/da not_active Application Discontinuation
- 1977-07-19 IE IE1510/77A patent/IE45314B1/en unknown
- 1977-07-19 CA CA283,035A patent/CA1093207A/en not_active Expired
- 1977-07-20 JP JP8720977A patent/JPS5313859A/ja active Pending
- 1977-07-20 NL NL7708106A patent/NL7708106A/xx not_active Application Discontinuation
- 1977-07-20 BE BE179508A patent/BE857000A/xx unknown
- 1977-08-04 IN IN1205/CAL/77A patent/IN149656B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK328177A (da) | 1978-01-21 |
| IN149656B (enExample) | 1982-03-06 |
| NL7708106A (nl) | 1978-01-24 |
| DE2632615B2 (de) | 1979-01-04 |
| LU77789A1 (enExample) | 1977-10-25 |
| IE45314B1 (en) | 1982-07-28 |
| CA1093207A (en) | 1981-01-06 |
| JPS5313859A (en) | 1978-02-07 |
| AU2712877A (en) | 1978-04-27 |
| US4172257A (en) | 1979-10-23 |
| FR2359547B1 (enExample) | 1981-10-23 |
| FR2359547A1 (fr) | 1978-02-17 |
| IT1080637B (it) | 1985-05-16 |
| IE45314L (en) | 1978-01-20 |
| DE2632615A1 (de) | 1978-01-26 |
| BE857000A (fr) | 1977-11-14 |
| DE2632615C3 (de) | 1979-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3623114A (en) | Conical reflector antenna | |
| US6366256B1 (en) | Multi-beam reflector antenna system with a simple beamforming network | |
| US7420507B2 (en) | Phased array antenna systems with controllable electrical tilt | |
| US3993999A (en) | Amplitude modulation scanning antenna system | |
| EP2697865B1 (en) | Array antenna having a radiation pattern with a controlled envelope, and method of manufacturing it | |
| GB1574914A (en) | Satellite communications transmission systems | |
| US3852763A (en) | Torus-type antenna having a conical scan capability | |
| DE60111585T2 (de) | Antennengruppenkonfiguration für Weitwinkel-Überdeckung | |
| US20220045433A1 (en) | Multisegment array-fed ring-focus reflector antenna for wide-angle scanning | |
| US6563473B2 (en) | Low sidelobe contiguous-parabolic reflector array | |
| US4100548A (en) | Bifocal pillbox antenna system | |
| EP0145274B1 (en) | Array antenna system | |
| US3560975A (en) | Aircraft antenna system for aerial navigation | |
| US3775773A (en) | Technique for generating planar beams from a linear doppler line source employing a circular parallel-plate waveguide | |
| JPH05129822A (ja) | 成形ローブを有する高利得アンテナ | |
| US6441794B1 (en) | Dual function subreflector for communication satellite antenna | |
| US7656351B1 (en) | Method of designing a low cost multibeam phased array antenna for communicating with geostationary satellites | |
| US3877012A (en) | Planar phased array fan beam scanning system | |
| US11677456B2 (en) | Forming a beam from a subscriber module of a fixed wireless access communication system | |
| Rao et al. | Low sidelobe design considerations of large linear array antennas with contiguous subarrays | |
| US3774222A (en) | Wide-angle planar-beam, antenna adapted for conventional or doppler scan using curved arrays | |
| JPH10322121A (ja) | アレイ給電反射鏡アンテナ | |
| RU2680732C1 (ru) | Способ формирования пеленгационных диаграмм направленности в антенне кругового электронного сканирования | |
| RU2724368C1 (ru) | Антенная система вторичного радиолокатора | |
| US3781897A (en) | Wide-angle planar-beam antenna adapted for conventional or doppler scan using laterally flared reflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |